package Algorithm;

public class LC344 {
    public void reverseString(char[] s) {
        int i=0,j=s.length-1;
        while(i<j){
            swap(s,i,j);
            i++;
            j--;
        }
    }
    private void swap(char[] s,int i,int j){
        char tmp=s[i];
        s[i]=s[j];
        s[j]=tmp;
    }
}
